pre {
  color: #eee;
  background-color: #222;
  padding: 1em;
  border-radius: 5px;
  overflow-x: auto;
}

:not(pre) > code {
  color: #700;
  background-color: beige;
  border: 1px solid grey;
  border-radius: 3px;
  padding: 0 3px;
}

img {
  display: block;
  max-width: 80%;
  max-height: 480px;
  margin: 1em auto 0;
}